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NISA [10]
4 years ago
10

Match each chemical with the correct use.

Chemistry
1 answer:
Fittoniya [83]4 years ago
7 0

1. x-ray soft tissue organs  - barium  

2. reduce pain and fever- acetylsalicylic acid

3. anesthetic-  nitrous oxide  

4. treat acne - A. benzoyl peroxide

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Can a tiny organism found in a cave help fight human disease? Explain?
frosja888 [35]

Answer:

actually yes some tiny organisms can help fight off diseases and possibly are slightly better than meds

Explanation:

i actually read an article about it not to long ago and found out that new mexico found something very similar

hope this helps :) also if you can pls mark me as brainliest

8 0
3 years ago
What conditions make G always positive?
Bess [88]
The answer is c ......
8 0
3 years ago
Read 2 more answers
Given the reaction: HNO2 (aq) <-> H+ (aq) + NO2- (aq); write the ionization constant for the reaction.
Nuetrik [128]

Answer:

see explanation

Explanation:

HNO₂ ⇄ H⁺ + NO₂⁻

Ka = [H⁺][NO₂⁻]/[HNO₂]

4 0
3 years ago
Gaseous ethane ch3ch3 will react with gaseous oxygen o2 to produce gaseous carbon dioxide co2 and gaseous water h2o . suppose 21
Anna11 [10]

The chemical reaction for this is:

 

2 C2H6 + 7 O2 => 4 CO2 + 6 H2O

 

Solving for CO2 with each reactant will give:

 

21.0 g C2H6 x (1 mol C2H6/30.08 g C2H6) x (6 mol H2O/2 mol C2H6) x (18 g H2O/1 mol H2O) = 37.70 g H2O

 

110 g O2 x (1 mol O2/32.00 g O2) x (6 mol CO2/7 mol O2) x (18 g H2O/1 mol H2O) = 53.04 g H2O

 

Since the amount of H2O in C2H6 is lower therefore C2H6 is the limiting reactant and the maximum amount of water is only 38 g H2O (2 significant digits)


ANswer:

38 g water

6 0
4 years ago
Oque é um hibrido de ressonancia?
Yuri [45]

Answer:

Resonance hybrid: A weighted average of all significant resonance contributors depicting the true electronic structure of a molecule.

Explanation:

Translation: Híbrido de ressonância: uma média ponderada de todos os contribuintes de ressonância significativos, representando a verdadeira estrutura eletrônica de uma molécula.

8 0
3 years ago
Read 2 more answers
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